import java.util.Random;


public class Klassrob {

	public static void main(String[] args) {
		Random r = new Random();
		int k = (int) Math.round((r.nextDouble() * 7) + 10);
		System.out.println(k);
		int i = 5;
		int sum= 3;
		
		while(i>k){
			sum++;
			i++;
			
		}
		

	}

}
